Patton electronic 4940 manual Voice connectivity, Data connectivity, Fax and modem support

SmartNode 4940 Getting Started Guide B • Specifications

Note Refer to the software feature matrix for the most up-to-date specifications.

Voice connectivity

1 or 4 PRI T1/E1 ports on RJ48C connectors Net/User configurable per port

Each port can be slave or master clock

Each port can be used to synchronize to an external clock master

Failover relay between ports 0/0 and 0/1 for specific models

Data connectivity

One 10/100/1000Base-Tx Gigabit Ethernet port

All ports full duplex, autosensing, auto-MDX

Voice processing (signalling dependent)

Four or eight full-duplex channels with Voice CODECS:

•G.711 A-Law/ -Law (64 kbps)

•G.726 (ADPCM 16, 24, 32, 40 kbps)

•G.723.1 (5.3 or 6.3 kbps)

•G.729ab (8 kbps)

•Transparent ISDN data

G.168 echo cancellation (128 ms)

Up to 120 simultaneous voice or T.38 fax calls

DTMF detection and generation

Carrier tone detection and generation

Silence suppression and comfort noise

Adaptive and configurable dejitter buffer

Configurable tones (dial, ringing, busy)

Configurable transmit packet length

RTP/RTCP (RFC 1889)

Fax and modem support

Automatic fax and modem detection

Codec fallback for modem-bypass

T.38 Fax-Relay (Gr. 3 Fax, 9.6 k, 14.4 k)

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